Home / 521,758.04-782,598.81-166,676.72

Finding the Fourth Proportional to 521,758.04, 782,598.81 and 166,676.72

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Solution

The fourth proportional to 521,758.04, 782,598.81 and 166,676.72 is: 250,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,758.04 : 782,598.81 = 166,676.72 : x
  2. Step 2: Convert to fraction form
    521,758.04/782,598.81 = 166,676.72/x
  3. Step 3: Cross multiply
    521,758.04x = 782,598.81 × 166,676.72
  4. Step 4: Simplify right side
    521,758.04x = 130,441,002,726.70
  5. Step 5: Solve for x
    x = 130,441,002,726.70/521,758.04
  6. Step 6: Final answer
    x = 250,002.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.